Allegra (Telfast) or fexofenadine is an antihistamine. It reduces the symptoms of hay fever (seasonal allergic rhinitis) and other allergies. Allegra (Telfast) like other antihistamines, works by preventing the action of histamine on your nose and eyes. Allegra (Telfast) provides relief from the symptoms of allergies such as runny nose, itchy and watery...

Allegra (Telfast) or fexofenadine is an antihistamine. It reduces the symptoms of hay fever (seasonal allergic rhinitis) and other allergies. Allegra (Telfast) like other antihistamines, works by preventing the action of histamine on your nose and eyes. Allegra (Telfast) provides relief from the symptoms of allergies such as runny nose, itchy and watery...